(1) No permit may be issued for livestock infected with or exposed to brucellosis, tuberculosis, or any other infectious, contagious, or communicable animal disease, except that cattle with a positive reaction to a recognized test for brucellosis may be permitted entry when destined directly for slaughter at a slaughterhouse under USDA supervision. In addition, all conditions for the movement of animals from a quarantined area established by the quarantining authority or U.S. Department of Agriculture must be met.

(2) If any animal in a lot presented for shipment or movement into Montana shows a suspicious or positive reaction to any test required for admission to Montana, no animal from that lot or from the herd in which the animal reacting to the test originates may enter the state of Montana without special permission from the state veterinarian or his agent.